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	hartrees
Energy at 0K	-354.755342
Energy at 298.15K	-354.758558
HF Energy	-354.046673
Nuclear repulsion energy	172.272585

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A	3543	3420	8.36
2	A	1880	1814	53.81
3	A	1300	1255	77.24
4	A	1152	1112	158.83
5	A	844	814	115.35
6	A	682	659	168.90
7	A	573	553	7.08
8	A	509	491	74.78
9	A	377	364	77.15
10	A	293	283	107.60
11	A	235	227	4.77
12	A	112	108	9.67

Atom	x (Å)	y (Å)	z (Å)
N1	0.714	0.097	0.008
O2	-0.728	-0.875	0.054
O3	-1.852	0.088	-0.149
O4	1.715	-0.664	-0.022
O5	0.510	1.331	0.013
H6	-2.158	0.282	0.777

	N1	O2	O3	O4	O5	H6
N1		1.7397	2.5713	1.2568	1.2514	2.9799
O2	1.7397		1.4937	2.4531	2.5301	1.9766
O3	2.5713	1.4937		3.6473	2.6743	0.9947
O4	1.2568	2.4531	3.6473		2.3307	4.0664
O5	1.2514	2.5301	2.6743	2.3307		2.9675
H6	2.9799	1.9766	0.9947	4.0664	2.9675

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
N1	O2	O3	105.102	O2	N1	O4	108.836
O2	N1	O5	114.542	O2	O3	H6	103.361
O4	N1	O5	136.622

All results from a given calculation for HOONO₂ (peroxy nitric acid)

using model chemistry: MP2/SDD

States and conformations

	Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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All results from a given calculation for HOONO2 (peroxy nitric acid)

using model chemistry: MP2/SDD

States and conformations

All results from a given calculation for HOONO₂ (peroxy nitric acid)